Combined signal transmission device and detonating cord for blasting assembly



FIG. 1 is a side elevational view of a combined signal transmissiondevice and detonating cord for blasting assembly with the side loopomitted showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a side elevational view thereof with the side loop; and,

FIG. 5 is a side elevational view thereof without the side loop.

The ornamental design for a combined signal transmission device anddetonating cord for blasting assembly, as shown and described.